﻿<span style='font-size:11px; color:#000000; background:#ffffff; '><pre>
<span style='color:#800000; font-weight:bold; '>protected</span> <span style='color:#800000; font-weight:bold; '>void</span> convertToPdfButton_Click<span style='color:#808030; '>(</span><span style='color:#800000; font-weight:bold; '>object</span> sender<span style='color:#808030; '>,</span> EventArgs e<span style='color:#808030; '>)</span>
<span style='color:#800080; '>{</span>
    <span style='color:#696969; '>// Create a HTML to PDF converter object with default settings</span>
    HtmlToPdfConverter htmlToPdfConverter <span style='color:#808030; '>=</span> <span style='color:#800000; font-weight:bold; '>new</span> HtmlToPdfConverter<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Set license key received after purchase to use the converter in licensed mode</span>
    <span style='color:#696969; '>// Leave it not set to use the converter in demo mode</span>
    htmlToPdfConverter<span style='color:#808030; '>.</span>LicenseKey <span style='color:#808030; '>=</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed</span>
    <span style='color:#696969; '>// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish</span>
    htmlToPdfConverter<span style='color:#808030; '>.</span>ConversionDelay <span style='color:#808030; '>=</span> <span style='color:#008c00; '>2</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Enable the creation of a table of contents from H1 to H6 tags found in HTML</span>
    htmlToPdfConverter<span style='color:#808030; '>.</span>TableOfContentsOptions<span style='color:#808030; '>.</span>AutoTocItemsEnabled <span style='color:#808030; '>=</span> autoTableOfContentsCheckBox<span style='color:#808030; '>.</span>Checked<span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Optionally set the table of contents title</span>
    htmlToPdfConverter<span style='color:#808030; '>.</span>TableOfContentsOptions<span style='color:#808030; '>.</span>Title <span style='color:#808030; '>=</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>Table of Contents</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Optionally set the title style using CSS sttributes</span>
    htmlToPdfConverter<span style='color:#808030; '>.</span>TableOfContentsOptions<span style='color:#808030; '>.</span>TitleStyle <span style='color:#808030; '>=</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>color:navy; font-family:'Times New Roman'; font-size:28px; font-weight:normal</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Optionally set the style of level 1 items in table of contents</span>
    <span style='color:#800000; font-weight:bold; '>string</span> level1TextStyle <span style='color:#808030; '>=</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>color:black; font-family:'Times New Roman'; font-size:20px; font-weight:normal; font-style:normal; background-color:#F0F0F0</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
    htmlToPdfConverter<span style='color:#808030; '>.</span>TableOfContentsOptions<span style='color:#808030; '>.</span>SetItemStyle<span style='color:#808030; '>(</span><span style='color:#008c00; '>1</span><span style='color:#808030; '>,</span> level1TextStyle<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Optionally set the page numbers style of level 1 items in table of contents</span>
    <span style='color:#800000; font-weight:bold; '>string</span> level1PageNumberStyle <span style='color:#808030; '>=</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>color:black; padding-right:3px; background-color:#F0F0F0; font-size:14px; font-weight:bold</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
    htmlToPdfConverter<span style='color:#808030; '>.</span>TableOfContentsOptions<span style='color:#808030; '>.</span>SetPageNumberStyle<span style='color:#808030; '>(</span><span style='color:#008c00; '>1</span><span style='color:#808030; '>,</span> level1PageNumberStyle<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Convert the HTML page to a PDF document in a memory buffer</span>
    <span style='color:#800000; font-weight:bold; '>byte</span><span style='color:#808030; '>[</span><span style='color:#808030; '>]</span> outPdfBuffer <span style='color:#808030; '>=</span> htmlToPdfConverter<span style='color:#808030; '>.</span>ConvertUrl<span style='color:#808030; '>(</span>urlTextBox<span style='color:#808030; '>.</span>Text<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Send the PDF as response to browser</span>

    <span style='color:#696969; '>// Set response content type</span>
    Response<span style='color:#808030; '>.</span>AddHeader<span style='color:#808030; '>(</span><span style='color:#800000; '>"</span><span style='color:#0000e6; '>Content-Type</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>application/pdf</span><span style='color:#800000; '>"</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Instruct the browser to open the PDF file as an attachment or inline</span>
    Response<span style='color:#808030; '>.</span>AddHeader<span style='color:#808030; '>(</span><span style='color:#800000; '>"</span><span style='color:#0000e6; '>Content-Disposition</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> String<span style='color:#808030; '>.</span>Format<span style='color:#808030; '>(</span><span style='color:#800000; '>"</span><span style='color:#0000e6; '>attachment; filename=Auto_Create_Table_of_Contents.pdf; size={0}</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span> outPdfBuffer<span style='color:#808030; '>.</span>Length<span style='color:#808030; '>.</span>ToString<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// Write the PDF document buffer to HTTP response</span>
    Response<span style='color:#808030; '>.</span>BinaryWrite<span style='color:#808030; '>(</span>outPdfBuffer<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

    <span style='color:#696969; '>// End the HTTP response and stop the current page processing</span>
    Response<span style='color:#808030; '>.</span>End<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
<span style='color:#800080; '>}</span>
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